FREDERICK GEORGE HEWITT
Pilots at Chapel Ln, Saint Paul, MN
License number
Minnesota A0837387
Category
Airmen
Type
Authorized Aircraft Instructor
Address
Address
545 Chapel Ln, Saint Paul, MN 55121
Professional information
Methods For Assessing Visual Tasks To Establish Desirable Lighting And Viewing Conditions For Performance Of Tasks, Apparatus; And, Applications
US Patent:
6417919, Jul 9, 2002
Filed:
Nov 13, 2000
Appl. No.:
09/711805
Inventors:
Frederick G. Hewitt - Eagan MN
Steven J. Orfield - Minneapolis MN
Steven J. Orfield - Minneapolis MN
Assignee:
Orfield Laboratories, Incorporated - Minneapolis MN
International Classification:
G01N 2100
US Classification:
3562371
Abstract:
A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
Methods For Assessing Visual Tasks To Establish Desirable Lighting And Viewing Conditions For Performance Of Tasks; Apparatus; And, Applications
US Patent:
6147752, Nov 14, 2000
Filed:
Nov 20, 1998
Appl. No.:
9/197118
Inventors:
Frederick G. Hewitt - Eagan MN
Steven J. Orfield - Minneapolis MN
Steven J. Orfield - Minneapolis MN
Assignee:
Orfield Laboratories, Incorporated - Minneapolis MN
International Classification:
G01N 2100
US Classification:
3562371
Abstract:
A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
Methods For Assessing Visual Tasks To Establish Desirable Lighting And Viewing Conditions For Performance Of Tasks; Apparatus; And, Applications
US Patent:
5686987, Nov 11, 1997
Filed:
Dec 29, 1995
Appl. No.:
8/580760
Inventors:
Frederick G. Hewitt - Eagan MN
Steven J. Orfield - Minneapolis MN
Steven J. Orfield - Minneapolis MN
Assignee:
Orfield Associates, Inc. - Minneapolis MN
International Classification:
G01N 2100
US Classification:
356237
Abstract:
A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
Methods For Assessing Visual Tasks To Establish Desirable Lighting And Viewing Conditions For Performance Of Tasks; Apparatus; And, Applications
US Patent:
2003005, Mar 27, 2003
Filed:
May 21, 2002
Appl. No.:
10/153359
Inventors:
Frederick Hewitt - Eagan MN, US
Steven Orfield - Minneapolis MN, US
Steven Orfield - Minneapolis MN, US
Assignee:
Orfield Laboratories - Minneapolis MN
International Classification:
G01N021/00
US Classification:
356/237100
Abstract:
A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
Industrial Viewing Station For Inspection Of Defects
US Patent:
5841530, Nov 24, 1998
Filed:
Sep 24, 1997
Appl. No.:
8/936638
Inventors:
Frederick G. Hewitt - Eagan MN
Steven J. Orfield - Minneapolis MN
Steven J. Orfield - Minneapolis MN
International Classification:
G01N 2100
US Classification:
356237
Abstract:
A method of establishing a lighting system and viewing environment for conduct of visual task is provided. The method generally includes steps of providing a visual performance lab, conducting a visual performance study, and constructing an industrial viewing station based upon the results of the visual performance study. The invention also concerns provision of a preferred visual performance lab and development of preferred industrial viewing stations.
Magneto-Optic Light Deflector System
US Patent:
4270862, Jun 2, 1981
Filed:
Jan 29, 1979
Appl. No.:
6/007071
Inventors:
Frederick G. Hewitt - Eagan MN
Assignee:
Sperry Corporation - New York NY
International Classification:
G01P 336, G02B 518
US Classification:
356 5
Abstract:
An apparatus for and a method of utilizing a magneto-optic stripe domain light deflector for both the transmitted and received light beam.